1 /* 2 * Copyright (c) 2011 The Chromium OS Authors. 3 * (C) Copyright 2002-2006 4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 5 * 6 * (C) Copyright 2002 7 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> 8 * Marius Groeger <mgroeger@sysgo.de> 9 * 10 * SPDX-License-Identifier: GPL-2.0+ 11 */ 12 13 #include <common.h> 14 #include <api.h> 15 /* TODO: can we just include all these headers whether needed or not? */ 16 #if defined(CONFIG_CMD_BEDBUG) 17 #include <bedbug/type.h> 18 #endif 19 #include <command.h> 20 #include <console.h> 21 #include <dm.h> 22 #include <environment.h> 23 #include <fdtdec.h> 24 #include <ide.h> 25 #include <initcall.h> 26 #include <init_helpers.h> 27 #ifdef CONFIG_PS2KBD 28 #include <keyboard.h> 29 #endif 30 #if defined(CONFIG_CMD_KGDB) 31 #include <kgdb.h> 32 #endif 33 #include <malloc.h> 34 #include <mapmem.h> 35 #include <memalign.h> 36 #ifdef CONFIG_BITBANGMII 37 #include <miiphy.h> 38 #endif 39 #include <mmc.h> 40 #include <nand.h> 41 #include <of_live.h> 42 #include <onenand_uboot.h> 43 #include <scsi.h> 44 #include <serial.h> 45 #include <spi.h> 46 #include <stdio_dev.h> 47 #include <timer.h> 48 #include <trace.h> 49 #include <watchdog.h> 50 #ifdef CONFIG_ADDR_MAP 51 #include <asm/mmu.h> 52 #endif 53 #include <asm/sections.h> 54 #include <dm/root.h> 55 #include <linux/compiler.h> 56 #include <linux/err.h> 57 #include <efi_loader.h> 58 59 DECLARE_GLOBAL_DATA_PTR; 60 61 ulong monitor_flash_len; 62 63 __weak int board_flash_wp_on(void) 64 { 65 /* 66 * Most flashes can't be detected when write protection is enabled, 67 * so provide a way to let U-Boot gracefully ignore write protected 68 * devices. 69 */ 70 return 0; 71 } 72 73 __weak void cpu_secondary_init_r(void) 74 { 75 } 76 77 static int initr_secondary_cpu(void) 78 { 79 /* 80 * after non-volatile devices & environment is setup and cpu code have 81 * another round to deal with any initialization that might require 82 * full access to the environment or loading of some image (firmware) 83 * from a non-volatile device 84 */ 85 /* TODO: maybe define this for all archs? */ 86 cpu_secondary_init_r(); 87 88 return 0; 89 } 90 91 static int initr_trace(void) 92 { 93 #ifdef CONFIG_TRACE 94 trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE); 95 #endif 96 97 return 0; 98 } 99 100 static int initr_reloc(void) 101 { 102 /* tell others: relocation done */ 103 gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT; 104 105 return 0; 106 } 107 108 #ifdef CONFIG_ARM 109 /* 110 * Some of these functions are needed purely because the functions they 111 * call return void. If we change them to return 0, these stubs can go away. 112 */ 113 static int initr_caches(void) 114 { 115 /* Enable caches */ 116 enable_caches(); 117 return 0; 118 } 119 #endif 120 121 __weak int fixup_cpu(void) 122 { 123 return 0; 124 } 125 126 static int initr_reloc_global_data(void) 127 { 128 #ifdef __ARM__ 129 monitor_flash_len = _end - __image_copy_start; 130 #elif defined(CONFIG_NDS32) 131 monitor_flash_len = (ulong)&_end - (ulong)&_start; 132 #elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2) 133 monitor_flash_len = (ulong)&__init_end - gd->relocaddr; 134 #endif 135 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 136 /* 137 * The gd->cpu pointer is set to an address in flash before relocation. 138 * We need to update it to point to the same CPU entry in RAM. 139 * TODO: why not just add gd->reloc_ofs? 140 */ 141 gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE; 142 143 /* 144 * If we didn't know the cpu mask & # cores, we can save them of 145 * now rather than 'computing' them constantly 146 */ 147 fixup_cpu(); 148 #endif 149 #ifdef CONFIG_SYS_EXTRA_ENV_RELOC 150 /* 151 * Some systems need to relocate the env_addr pointer early because the 152 * location it points to will get invalidated before env_relocate is 153 * called. One example is on systems that might use a L2 or L3 cache 154 * in SRAM mode and initialize that cache from SRAM mode back to being 155 * a cache in cpu_init_r. 156 */ 157 gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE; 158 #endif 159 #ifdef CONFIG_OF_EMBED 160 /* 161 * The fdt_blob needs to be moved to new relocation address 162 * incase of FDT blob is embedded with in image 163 */ 164 gd->fdt_blob += gd->reloc_off; 165 #endif 166 #ifdef CONFIG_EFI_LOADER 167 efi_runtime_relocate(gd->relocaddr, NULL); 168 #endif 169 170 return 0; 171 } 172 173 static int initr_serial(void) 174 { 175 /* 176 * 1. Serial has been initialized in board_f.c => serial_init(), there is 177 * no special reason to init it again; 178 * 179 * 2. Pre-serial works depending on aliases to get pre-serial phandle when 180 * parse dtb. If CONFIG_USING_KERNEL_DTB is enabled, there are both kernel 181 * dtb and U-Boot dtb aliases added into aliases_lookup, these nodes have 182 * same names but different phanles(U-Boot nodes has high prior), this may 183 * lead a wrong aliases node finding if try to get a node after kenrel dtb 184 * unflattened, i.e. using U-Boot phandle to get kernel dtb node!! 185 * 186 * Notice: of_alias_dump() is provided to dump all aliases node. 187 */ 188 #ifndef CONFIG_USING_KERNEL_DTB 189 serial_initialize(); 190 #endif 191 return 0; 192 } 193 194 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) 195 static int initr_trap(void) 196 { 197 /* 198 * Setup trap handlers 199 */ 200 #if defined(CONFIG_PPC) 201 trap_init(gd->relocaddr); 202 #else 203 trap_init(CONFIG_SYS_SDRAM_BASE); 204 #endif 205 return 0; 206 } 207 #endif 208 209 #ifdef CONFIG_ADDR_MAP 210 static int initr_addr_map(void) 211 { 212 init_addr_map(); 213 214 return 0; 215 } 216 #endif 217 218 #ifdef CONFIG_POST 219 static int initr_post_backlog(void) 220 { 221 post_output_backlog(); 222 return 0; 223 } 224 #endif 225 226 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) 227 static int initr_unlock_ram_in_cache(void) 228 { 229 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */ 230 return 0; 231 } 232 #endif 233 234 #ifdef CONFIG_PCI 235 static int initr_pci(void) 236 { 237 #ifndef CONFIG_DM_PCI 238 pci_init(); 239 #endif 240 241 return 0; 242 } 243 #endif 244 245 static int initr_barrier(void) 246 { 247 #ifdef CONFIG_PPC 248 /* TODO: Can we not use dmb() macros for this? */ 249 asm("sync ; isync"); 250 #endif 251 return 0; 252 } 253 254 static int initr_malloc(void) 255 { 256 ulong malloc_start; 257 258 #if CONFIG_VAL(SYS_MALLOC_F_LEN) 259 debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr, 260 gd->malloc_ptr / 1024); 261 #endif 262 /* The malloc area is immediately below the monitor copy in DRAM */ 263 malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN; 264 mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN), 265 TOTAL_MALLOC_LEN); 266 return 0; 267 } 268 269 static int initr_console_record(void) 270 { 271 #if defined(CONFIG_CONSOLE_RECORD) 272 return console_record_init(); 273 #else 274 return 0; 275 #endif 276 } 277 278 #ifdef CONFIG_SYS_NONCACHED_MEMORY 279 static int initr_noncached(void) 280 { 281 noncached_init(); 282 return 0; 283 } 284 #endif 285 286 #ifdef CONFIG_OF_LIVE 287 static int initr_of_live(void) 288 { 289 int ret; 290 291 bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live"); 292 ret = of_live_build(gd->fdt_blob, (struct device_node **)&gd->of_root); 293 bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE); 294 if (ret) 295 return ret; 296 297 return 0; 298 } 299 #endif 300 301 #ifdef CONFIG_DM 302 static int initr_dm(void) 303 { 304 int ret; 305 306 /* Save the pre-reloc driver model and start a new one */ 307 gd->dm_root_f = gd->dm_root; 308 gd->dm_root = NULL; 309 #ifdef CONFIG_TIMER 310 gd->timer = NULL; 311 #endif 312 bootstage_start(BOOTSTATE_ID_ACCUM_DM_R, "dm_r"); 313 ret = dm_init_and_scan(false); 314 bootstage_accum(BOOTSTATE_ID_ACCUM_DM_R); 315 if (ret) 316 return ret; 317 #ifdef CONFIG_TIMER_EARLY 318 ret = dm_timer_init(); 319 if (ret) 320 return ret; 321 #endif 322 323 return 0; 324 } 325 #endif 326 327 static int initr_bootstage(void) 328 { 329 bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r"); 330 331 return 0; 332 } 333 334 __weak int power_init_board(void) 335 { 336 return 0; 337 } 338 339 static int initr_announce(void) 340 { 341 debug("Now running in RAM - U-Boot at: %08lx\n", gd->relocaddr); 342 return 0; 343 } 344 345 #ifdef CONFIG_NEEDS_MANUAL_RELOC 346 static int initr_manual_reloc_cmdtable(void) 347 { 348 fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), 349 ll_entry_count(cmd_tbl_t, cmd)); 350 return 0; 351 } 352 #endif 353 354 #if defined(CONFIG_MTD_NOR_FLASH) 355 static int initr_flash(void) 356 { 357 ulong flash_size = 0; 358 bd_t *bd = gd->bd; 359 360 puts("Flash: "); 361 362 if (board_flash_wp_on()) 363 printf("Uninitialized - Write Protect On\n"); 364 else 365 flash_size = flash_init(); 366 367 print_size(flash_size, ""); 368 #ifdef CONFIG_SYS_FLASH_CHECKSUM 369 /* 370 * Compute and print flash CRC if flashchecksum is set to 'y' 371 * 372 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX 373 */ 374 if (env_get_yesno("flashchecksum") == 1) { 375 printf(" CRC: %08X", crc32(0, 376 (const unsigned char *) CONFIG_SYS_FLASH_BASE, 377 flash_size)); 378 } 379 #endif /* CONFIG_SYS_FLASH_CHECKSUM */ 380 putc('\n'); 381 382 /* update start of FLASH memory */ 383 #ifdef CONFIG_SYS_FLASH_BASE 384 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; 385 #endif 386 /* size of FLASH memory (final value) */ 387 bd->bi_flashsize = flash_size; 388 389 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) 390 /* Make a update of the Memctrl. */ 391 update_flash_size(flash_size); 392 #endif 393 394 395 #if defined(CONFIG_OXC) || defined(CONFIG_RMU) 396 /* flash mapped at end of memory map */ 397 bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size; 398 #elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE 399 bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */ 400 #endif 401 return 0; 402 } 403 #endif 404 405 #if defined(CONFIG_PPC) && !defined(CONFIG_DM_SPI) 406 static int initr_spi(void) 407 { 408 /* PPC does this here */ 409 #ifdef CONFIG_SPI 410 #if !defined(CONFIG_ENV_IS_IN_EEPROM) 411 spi_init_f(); 412 #endif 413 spi_init_r(); 414 #endif 415 return 0; 416 } 417 #endif 418 419 #ifdef CONFIG_CMD_NAND 420 /* go init the NAND */ 421 static int initr_nand(void) 422 { 423 puts("NAND: "); 424 nand_init(); 425 printf("%lu MiB\n", nand_size() / 1024); 426 return 0; 427 } 428 #endif 429 430 #if defined(CONFIG_CMD_ONENAND) 431 /* go init the NAND */ 432 static int initr_onenand(void) 433 { 434 puts("NAND: "); 435 onenand_init(); 436 return 0; 437 } 438 #endif 439 440 #ifdef CONFIG_MMC 441 static int initr_mmc(void) 442 { 443 /* 444 * When CONFIG_USING_KERNEL_DTB is enabled, mmc has been initialized earlier. 445 */ 446 #ifndef CONFIG_USING_KERNEL_DTB 447 puts("MMC: "); 448 mmc_initialize(gd->bd); 449 #endif 450 return 0; 451 } 452 #endif 453 454 #if !defined(CONFIG_USING_KERNEL_DTB) || !defined(CONFIG_ENV_IS_NOWHERE) 455 /* 456 * Tell if it's OK to load the environment early in boot. 457 * 458 * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see 459 * if this is OK (defaulting to saying it's OK). 460 * 461 * NOTE: Loading the environment early can be a bad idea if security is 462 * important, since no verification is done on the environment. 463 * 464 * @return 0 if environment should not be loaded, !=0 if it is ok to load 465 */ 466 static int should_load_env(void) 467 { 468 #ifdef CONFIG_OF_CONTROL 469 return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1); 470 #elif defined CONFIG_DELAY_ENVIRONMENT 471 return 0; 472 #else 473 return 1; 474 #endif 475 } 476 477 static int initr_env(void) 478 { 479 /* initialize environment */ 480 if (should_load_env()) 481 env_relocate(); 482 else 483 set_default_env(NULL); 484 #ifdef CONFIG_OF_CONTROL 485 env_set_addr("fdtcontroladdr", gd->fdt_blob); 486 #endif 487 488 /* Initialize from environment */ 489 load_addr = env_get_ulong("loadaddr", 16, load_addr); 490 491 return 0; 492 } 493 #endif 494 495 #ifdef CONFIG_USING_KERNEL_DTB 496 static int initr_env_nowhere(void) 497 { 498 #if defined(CONFIG_NEEDS_MANUAL_RELOC) 499 env_reloc(); 500 env_htab.change_ok += gd->reloc_off; 501 #endif 502 set_default_env(NULL); 503 504 return 0; 505 } 506 507 #if !defined(CONFIG_ENV_IS_NOWHERE) 508 static int initr_env_switch(void) 509 { 510 ALLOC_CACHE_ALIGN_BUFFER(env_t, env_nowhere, 1); 511 int ret; 512 513 /* Export nowhere env for late use */ 514 ret = env_export(env_nowhere); 515 if (ret) { 516 printf("%s: export nowhere env fail, ret=%d\n", __func__, ret); 517 return -EINVAL; 518 } 519 520 /* Destroy nowhere env and import storage env */ 521 initr_env(); 522 523 /* Append/override nowhere env to storage env */ 524 himport_r(&env_htab, (char *)env_nowhere->data, ENV_SIZE, '\0', 525 H_NOCLEAR, 0, 0, NULL); 526 527 return 0; 528 } 529 #endif /* CONFIG_ENV_IS_NOWHERE */ 530 #endif /* CONFIG_USING_KERNEL_DTB */ 531 532 #ifdef CONFIG_SYS_BOOTPARAMS_LEN 533 static int initr_malloc_bootparams(void) 534 { 535 gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN); 536 if (!gd->bd->bi_boot_params) { 537 puts("WARNING: Cannot allocate space for boot parameters\n"); 538 return -ENOMEM; 539 } 540 return 0; 541 } 542 #endif 543 544 static int initr_jumptable(void) 545 { 546 jumptable_init(); 547 return 0; 548 } 549 550 #if defined(CONFIG_API) 551 static int initr_api(void) 552 { 553 /* Initialize API */ 554 api_init(); 555 return 0; 556 } 557 #endif 558 559 /* enable exceptions */ 560 #ifdef CONFIG_ARM 561 static int initr_enable_interrupts(void) 562 { 563 enable_interrupts(); 564 return 0; 565 } 566 #endif 567 568 #ifdef CONFIG_CMD_NET 569 static int initr_ethaddr(void) 570 { 571 bd_t *bd = gd->bd; 572 573 /* kept around for legacy kernels only ... ignore the next section */ 574 eth_env_get_enetaddr("ethaddr", bd->bi_enetaddr); 575 #ifdef CONFIG_HAS_ETH1 576 eth_env_get_enetaddr("eth1addr", bd->bi_enet1addr); 577 #endif 578 #ifdef CONFIG_HAS_ETH2 579 eth_env_get_enetaddr("eth2addr", bd->bi_enet2addr); 580 #endif 581 #ifdef CONFIG_HAS_ETH3 582 eth_env_get_enetaddr("eth3addr", bd->bi_enet3addr); 583 #endif 584 #ifdef CONFIG_HAS_ETH4 585 eth_env_get_enetaddr("eth4addr", bd->bi_enet4addr); 586 #endif 587 #ifdef CONFIG_HAS_ETH5 588 eth_env_get_enetaddr("eth5addr", bd->bi_enet5addr); 589 #endif 590 return 0; 591 } 592 #endif /* CONFIG_CMD_NET */ 593 594 #ifdef CONFIG_CMD_KGDB 595 static int initr_kgdb(void) 596 { 597 puts("KGDB: "); 598 kgdb_init(); 599 return 0; 600 } 601 #endif 602 603 #if defined(CONFIG_LED_STATUS) 604 static int initr_status_led(void) 605 { 606 #if defined(CONFIG_LED_STATUS_BOOT) 607 status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_BLINKING); 608 #else 609 status_led_init(); 610 #endif 611 return 0; 612 } 613 #endif 614 615 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI) 616 static int initr_scsi(void) 617 { 618 puts("SCSI: "); 619 scsi_init(); 620 621 return 0; 622 } 623 #endif 624 625 #ifdef CONFIG_BITBANGMII 626 static int initr_bbmii(void) 627 { 628 bb_miiphy_init(); 629 return 0; 630 } 631 #endif 632 633 #ifdef CONFIG_CMD_NET 634 static int initr_net(void) 635 { 636 puts("Net: "); 637 eth_initialize(); 638 #if defined(CONFIG_RESET_PHY_R) 639 debug("Reset Ethernet PHY\n"); 640 reset_phy(); 641 #endif 642 return 0; 643 } 644 #endif 645 646 #ifdef CONFIG_POST 647 static int initr_post(void) 648 { 649 post_run(NULL, POST_RAM | post_bootmode_get(0)); 650 return 0; 651 } 652 #endif 653 654 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE) 655 static int initr_pcmcia(void) 656 { 657 puts("PCMCIA:"); 658 pcmcia_init(); 659 return 0; 660 } 661 #endif 662 663 #if defined(CONFIG_IDE) 664 static int initr_ide(void) 665 { 666 puts("IDE: "); 667 #if defined(CONFIG_START_IDE) 668 if (board_start_ide()) 669 ide_init(); 670 #else 671 ide_init(); 672 #endif 673 return 0; 674 } 675 #endif 676 677 #if defined(CONFIG_PRAM) 678 /* 679 * Export available size of memory for Linux, taking into account the 680 * protected RAM at top of memory 681 */ 682 int initr_mem(void) 683 { 684 ulong pram = 0; 685 char memsz[32]; 686 687 # ifdef CONFIG_PRAM 688 pram = env_get_ulong("pram", 10, CONFIG_PRAM); 689 # endif 690 sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram)); 691 env_set("mem", memsz); 692 693 return 0; 694 } 695 #endif 696 697 #ifdef CONFIG_CMD_BEDBUG 698 static int initr_bedbug(void) 699 { 700 bedbug_init(); 701 702 return 0; 703 } 704 #endif 705 706 #ifdef CONFIG_PS2KBD 707 static int initr_kbd(void) 708 { 709 puts("PS/2: "); 710 kbd_init(); 711 return 0; 712 } 713 #endif 714 715 __weak int interrupt_debugger_init(void) 716 { 717 return 0; 718 } 719 720 __weak int dram_initr_banksize(void) 721 { 722 return 0; 723 } 724 725 static int run_main_loop(void) 726 { 727 #ifdef CONFIG_SANDBOX 728 sandbox_main_loop_init(); 729 #endif 730 /* main_loop() can return to retry autoboot, if so just run it again */ 731 for (;;) 732 main_loop(); 733 return 0; 734 } 735 736 /* 737 * Over time we hope to remove these functions with code fragments and 738 * stub funtcions, and instead call the relevant function directly. 739 * 740 * We also hope to remove most of the driver-related init and do it if/when 741 * the driver is later used. 742 * 743 * TODO: perhaps reset the watchdog in the initcall function after each call? 744 */ 745 static init_fnc_t init_sequence_r[] = { 746 initr_trace, 747 initr_reloc, 748 /* TODO: could x86/PPC have this also perhaps? */ 749 #ifdef CONFIG_ARM 750 initr_caches, 751 /* Note: For Freescale LS2 SoCs, new MMU table is created in DDR. 752 * A temporary mapping of IFC high region is since removed, 753 * so environmental variables in NOR flash is not availble 754 * until board_init() is called below to remap IFC to high 755 * region. 756 */ 757 #endif 758 initr_reloc_global_data, 759 760 /* 761 * Some platform requires to reserve memory regions for some firmware 762 * to avoid kernel touches it, but U-Boot may have communication with 763 * firmware by share memory. So that we had better reserve firmware 764 * region after the initr_caches() which enables MMU and init 765 * translation table, we need firmware region to be mapped as cacheable 766 * like other regions, otherwise there would be dcache coherence issue 767 * between firmware and U-Boot. 768 */ 769 dram_initr_banksize, 770 771 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) 772 initr_unlock_ram_in_cache, 773 #endif 774 initr_barrier, 775 initr_malloc, 776 log_init, 777 initr_bootstage, /* Needs malloc() but has its own timer */ 778 initr_console_record, 779 #ifdef CONFIG_SYS_NONCACHED_MEMORY 780 initr_noncached, 781 #endif 782 bootstage_relocate, 783 784 interrupt_init, 785 #ifdef CONFIG_ARM 786 initr_enable_interrupts, 787 #endif 788 interrupt_debugger_init, 789 790 #ifdef CONFIG_OF_LIVE 791 initr_of_live, 792 #endif 793 #ifdef CONFIG_DM 794 initr_dm, 795 #endif 796 797 /* 798 * kernel dtb must depends on nowhere to detect boot storage media 799 * and initialize it. 800 */ 801 #ifdef CONFIG_USING_KERNEL_DTB 802 initr_env_nowhere, 803 #endif 804 805 #if defined(CONFIG_ARM) || defined(CONFIG_NDS32) 806 board_init, /* Setup chipselects */ 807 #endif 808 809 /* 810 * Now that storage has been initialized in board_init(), we could switch env 811 * from nowhere to storage, i.e. CONFIG_ENV_IS_IN_xxx=y. 812 */ 813 #if defined(CONFIG_USING_KERNEL_DTB) && !defined(CONFIG_ENV_IS_NOWHERE) 814 initr_env_switch, 815 #endif 816 817 /* 818 * TODO: printing of the clock inforamtion of the board is now 819 * implemented as part of bdinfo command. Currently only support for 820 * davinci SOC's is added. Remove this check once all the board 821 * implement this. 822 */ 823 #ifdef CONFIG_CLOCKS 824 set_cpu_clk_info, /* Setup clock information */ 825 #endif 826 #ifdef CONFIG_EFI_LOADER 827 efi_memory_init, 828 #endif 829 stdio_init_tables, 830 initr_serial, 831 initr_announce, 832 INIT_FUNC_WATCHDOG_RESET 833 #ifdef CONFIG_NEEDS_MANUAL_RELOC 834 initr_manual_reloc_cmdtable, 835 #endif 836 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) 837 initr_trap, 838 #endif 839 #ifdef CONFIG_ADDR_MAP 840 initr_addr_map, 841 #endif 842 #if defined(CONFIG_BOARD_EARLY_INIT_R) 843 board_early_init_r, 844 #endif 845 INIT_FUNC_WATCHDOG_RESET 846 #ifdef CONFIG_POST 847 initr_post_backlog, 848 #endif 849 INIT_FUNC_WATCHDOG_RESET 850 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT) 851 /* 852 * Do early PCI configuration _before_ the flash gets initialised, 853 * because PCU ressources are crucial for flash access on some boards. 854 */ 855 initr_pci, 856 #endif 857 #ifdef CONFIG_ARCH_EARLY_INIT_R 858 arch_early_init_r, 859 #endif 860 power_init_board, 861 #ifdef CONFIG_MTD_NOR_FLASH 862 initr_flash, 863 #endif 864 INIT_FUNC_WATCHDOG_RESET 865 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86) 866 /* initialize higher level parts of CPU like time base and timers */ 867 cpu_init_r, 868 #endif 869 #ifdef CONFIG_PPC 870 initr_spi, 871 #endif 872 #ifdef CONFIG_CMD_NAND 873 initr_nand, 874 #endif 875 #ifdef CONFIG_CMD_ONENAND 876 initr_onenand, 877 #endif 878 #ifdef CONFIG_MMC 879 initr_mmc, 880 #endif 881 #ifndef CONFIG_USING_KERNEL_DTB 882 initr_env, 883 #endif 884 #ifdef CONFIG_SYS_BOOTPARAMS_LEN 885 initr_malloc_bootparams, 886 #endif 887 INIT_FUNC_WATCHDOG_RESET 888 initr_secondary_cpu, 889 #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET) 890 mac_read_from_eeprom, 891 #endif 892 INIT_FUNC_WATCHDOG_RESET 893 #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT) 894 /* 895 * Do pci configuration 896 */ 897 initr_pci, 898 #endif 899 stdio_add_devices, 900 initr_jumptable, 901 #ifdef CONFIG_API 902 initr_api, 903 #endif 904 console_init_r, /* fully init console as a device */ 905 #ifdef CONFIG_DISPLAY_BOARDINFO_LATE 906 console_announce_r, 907 show_board_info, 908 #endif 909 #ifdef CONFIG_ARCH_MISC_INIT 910 arch_misc_init, /* miscellaneous arch-dependent init */ 911 #endif 912 #ifdef CONFIG_MISC_INIT_R 913 misc_init_r, /* miscellaneous platform-dependent init */ 914 #endif 915 INIT_FUNC_WATCHDOG_RESET 916 #ifdef CONFIG_CMD_KGDB 917 initr_kgdb, 918 #endif 919 920 #if defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K) 921 timer_init, /* initialize timer */ 922 #endif 923 #if defined(CONFIG_LED_STATUS) 924 initr_status_led, 925 #endif 926 /* PPC has a udelay(20) here dating from 2002. Why? */ 927 #ifdef CONFIG_CMD_NET 928 initr_ethaddr, 929 #endif 930 #ifdef CONFIG_BOARD_LATE_INIT 931 board_late_init, 932 #endif 933 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI) 934 INIT_FUNC_WATCHDOG_RESET 935 initr_scsi, 936 #endif 937 #ifdef CONFIG_BITBANGMII 938 initr_bbmii, 939 #endif 940 #ifdef CONFIG_CMD_NET 941 INIT_FUNC_WATCHDOG_RESET 942 initr_net, 943 #endif 944 #ifdef CONFIG_POST 945 initr_post, 946 #endif 947 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE) 948 initr_pcmcia, 949 #endif 950 #if defined(CONFIG_IDE) 951 initr_ide, 952 #endif 953 #ifdef CONFIG_LAST_STAGE_INIT 954 INIT_FUNC_WATCHDOG_RESET 955 /* 956 * Some parts can be only initialized if all others (like 957 * Interrupts) are up and running (i.e. the PC-style ISA 958 * keyboard). 959 */ 960 last_stage_init, 961 #endif 962 #ifdef CONFIG_CMD_BEDBUG 963 INIT_FUNC_WATCHDOG_RESET 964 initr_bedbug, 965 #endif 966 #if defined(CONFIG_PRAM) 967 initr_mem, 968 #endif 969 #ifdef CONFIG_PS2KBD 970 initr_kbd, 971 #endif 972 run_main_loop, 973 }; 974 975 void board_init_r(gd_t *new_gd, ulong dest_addr) 976 { 977 /* 978 * Set up the new global data pointer. So far only x86 does this 979 * here. 980 * TODO(sjg@chromium.org): Consider doing this for all archs, or 981 * dropping the new_gd parameter. 982 */ 983 #if CONFIG_IS_ENABLED(X86_64) 984 arch_setup_gd(new_gd); 985 #endif 986 987 #ifdef CONFIG_NEEDS_MANUAL_RELOC 988 int i; 989 #endif 990 991 #if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64) 992 gd = new_gd; 993 #endif 994 gd->flags &= ~GD_FLG_LOG_READY; 995 996 #ifdef CONFIG_NEEDS_MANUAL_RELOC 997 for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++) 998 init_sequence_r[i] += gd->reloc_off; 999 #endif 1000 1001 if (initcall_run_list(init_sequence_r)) 1002 hang(); 1003 1004 /* NOTREACHED - run_main_loop() does not return */ 1005 hang(); 1006 } 1007